8213 AMCO CLEAR CALIBRATION KIT, for HACH RATIO/XR and RATIO 2000 lower ranges
ITEM#:8213
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Descriptions: Kit contains 1.8, 18 and 180 NTU standards required to calibrate the Hach Ratio/XR and Ratio 2000 instruments in the lower ranges. The deluxe kit also contains sealed secondary standards of each value